CAPTCHA error is fired after several failed attempt to login with correct credentials, to resolve this error users need to do the below steps:
To Remove CAPTCHA error
From your Web browser on your PC:
- Open your Jira instance from a web browser.
- Enter your username and password, and click login.
- You'll be redirected to resolve CAPTCHA error.
- Enter the requested details to resolve the error.
- Then try to login from your Mobile for Jira.